Type-writing machine.



ITED STAlilQfi.

rsutr OFFICE.

'JOSEPII .11. JACKSON, or HAMILTQN, ONTARIO} CANADA.

i no. 867,045.

Application filed March 2, 1906. Serial No. 303 7864 Beit known that L lo seen H, Jscxsou, a citizen oithe Uniteds tates, andaresident ofHan1ilton, .in the countyof wentworth and Province of Ontario; Canada,

5 have invented new and useful I'rnprovexhents in Typecrease the noise caused by impact of the keysuiion 'the having spac d longitudinal'irieri' .Writing Machines ficatio'nL v. I This invention relates to tybewritin'gmachines, and has forils'qbject to'improvethe construction and -de.-

of which the following is a speciroller as Welles to increase theYstrength, durability,- utility and lfic fl yroidevics ofithis characten- With thesc andother objects irrviewithefi nv" tion m fi i ii 'iet b thaw a plurality of'correspondingf' formed upon the surfaceriof'thedrum, and a resilii1t belt extending over the ofsaididruin and'the'spacesl betivcenthe'same. '7

The invention furtlier or] 1. having spaced longitudinal'pei'ipheralrihswherby plurality. 9f corresponding: longitudinal recesses are. I formed between the ribs, anjidler rollerlspa'ced the. cylinder or drum, 'and a" i-esilient endlessbelt extendingfromthe cylinder and heinvention further consists rin a cylinder or druni having flanges at the ends andwithspacedilongitudinel peiipheralrrihs' extending betwel kih-flan gegi j 'a resilient belt extending ovr jthe rihsand ,-theisjitigxgir I betwconithe same, the flanges having lateral vent theribs': U

The invention further consists in various'combina tirinsand arrangements-oi parts as hereafter described.

apertures cornnuinicating the, between as and specifically pointed out in the fclaims. In the I 40 one end ofjthe carriage, with the end flanges of the i ribbed cylinder and roller removed,- in order tos'ho'w the cylinder, the-roller, and the endless helt tensioning' device. lug- 2; it a rum viewpf the sanie with both drawings iornliiig a part of application, and-in which corresponding partsare denoted :by v the; Bethedesiguatiug characters. y 1 T 1" Figure 1, isan end clevalion'jof the device, showing ends of the carringefli positionhu't with the endless helt, theprin-ting paper, and the printing table-re- .moved. 114g. 3,1is an end elevation of one of thelend .llauges for giliglingthe belt on the corrugated cylinder,

showing air-perforations through thesamen, *Fig. 4, is" a 'transv'eise section enlarged ,oi the ribbed cylinder,

and with tl eendless helt also in section over thesaine.

F1"{f5, i a transverse section enlarged of the ribbed cylinder showing a modilied construction of the same.

V Fig. 6, isa transverse section enlarged of the ribbed v cylinder constructed as in Fig, 5, and with the endless 55. belt thereon.

k Specification of:

r spaces are;

'cryrn-wnrrme 3mm.

Letters Patent. Patented' 81. 3;. 24, 1907.

' e' s el views.

'writingv niacl rineis indicated by A, and the-ribbed cylindrical roller by B, which is'suitablymounted in the caniageand 'aldaiited. to revolve therein. The

' cylinder 133s mounted on- 'a shaft 2, which extends beyond the carriage A, and said carriage has suitable sldts 3-,, which: extend a'certain distance to receive the -eiit en ded ends of the shaft and'thus' support the samerp 'lhe'cylindei'shows eight horizontal ribs which exte id frornfend I to endJofthe same, but a greater or lesser numberof ribs may be employed if deeined "expedient-l cylinder-B, end flanges 4, to belt; nd-whicli have anumber of perforations holes 7, in the arms D, and into the nuts 8, on the sides of the arms D. At the central connection of the arms C, andD, the'arnis' D, have upper and lower flanges 9, and the'end of the armsC fit between said flanges 9, and are adapted .tdjslide therein. The screws E, extend through slotted holes 12 in the arms D, and through the .(3, and-into nuts '13, to allow the adjustment ofj the arrn s, and toy secure the same rigidly together.

the carriage A. F; is e -roller parallel with-the cylinder 13 and proendjournalsVmnd 14 are slots ill the arms D, for the journals V, to'revolve in.

I The arms 0, C are connected by tie members C, and the arms D are connected by-a tie member-D; I The cylinder B, and the roller F, are connected by J, is the willing paper, which fits closely to the bell. H, and is carried by said belt. Theright-hand or rear side of 'tho carriageshow. the two ends of the writing;

" l is thegwriting paper table, which is summrted by tensiould, of said arms D. The forward part of the springs' S; the lower ends oflth firings are secured in .the talile Land the upper ends'oi the springs ai'c connectcd toedjusmblc screw shanks M,' m the arms C.

"Similar letters refer similar parts throughout the extend through the carriage A, and through slotted.-

.When the are firmly set, then the screws 6, arealso fir'rul'y set, to hold the arms 0, and D, rigid with an endless helt H, and the arnis p, and D, are adapted to tension the said bolt y meanebreviously referred ml In the drawing; the Inovable carriage of a typethe ar.ms l), liyjpivotal (i nuection 15,10 thelower pxtable K, is (-onu'eclml to the u-rlusfi, by means oi spiml v 'screws.

' theiepringsS, receiv per-J.

e more or less tension in order ,5 engage the paper tableK, more or .P, is a roller suitably jdu'rnaled brackets R, which are secured to. the forward part of the table K, and

when the wheel N,

referred in, is manipulated, tho roller P, is broughtinw contact, or more or less tcnsion,'i

with-"the paperjJ, and previous to writing on the paper, to retain the paper in proper position onthc belt ii. in

facilitate writing on the paper.

- un -1" The type-carrying arms of tlic type-writing machine 15 may impress on the paper J, and opposite to the spaces 1 between the ribs oi the cylinder B, in any convenient place on the cylinder according to the adjustment of the type carrying arms,- and the set, or adjustment of thetype onthearrns.

It will be obvious that when the type arms engage the paper'on the cylinder opposite to a space between the r ihs, .of the cylinder, cushion is formed for said In Fi'gLjfi; ofithedravlving a. covering T,

" "covering'T, is introduced wjithout a n 'endless belt,

- 1 1: t idl cylinder B, the cylinder with its into type-writing machines form pneumatic cushions carrying arms. Also the covering T, is

applied tb'th'e ribbed cylinder, hetween'the endless belt and the c'ylinder, if deemed desirabler, '1 The cover T,'preserves the circular lineof the ribbed cylinder;

fwhgt-l claim-as invcntior; and desire to secure il ln a tvpewrlter, end trameesia apart and'liuvlng ibeai-ings at their-ends, 'shatts lournafed ingild bearings, a

49 miller carried by one of said she'tta, a roll'et-prried by the airer 0t Saidshnftsand provided with spanid iongltudi nallylentending peripheralends' bgarkig'against the end um; transverse apertures co ribs and with lie at the s ,otnald ribs, said flniiges hav-- mmunicating with tii'e spaces that a pneumatic engagement of the type on Mare orlese cushion isforined by thethi'ck- I with thecomposition oi the i h are adjustd the hand- N on s imiwccn the ribs, 'and an endless belt 01' resilient-material The wheels N; hyunarupulatlon are adapted i 40 raise and lower the screw shanlcs M, consequentl i bearing over said rollers. v 2. in a typewriter, end frames spaced apart and having y hearings at their ends, shafts journaied insaid bearings, a to 1 roller carried by one of said shafts, a roller carried by the I loss, with the pa- I other of'said shafts and provided \vith'spaced longitudinally extending peripheral ribs andnvith flanges at the ends hearing against the ends of said ribs, said flanges i I having transverse apertures communicating with the spaces between the ribs, an endless hell of resilient mate- I rial hearing over said rollers, bars swinging from-the jburslots and with spaced iongitndinai slots movablvengaging sal(l spaced pins and over-lapping the tree end of said -cylintier-arms, means for-a'djustably coupling the over-lapping gaging the hearing slots of sal d slotted arrn and' an end less belt extending over said cylinder and said roller; 4

'i'ramesimving oppositeiy'disposed bearing slots-at one end and spaced lateral pins-at the' other ends, a cylinder having end journals engaging said bearings slots and provided-witii end-flanges and with spaced iongitudinai peripheral flanges, said flanges having vcnt apertures c0iu- 'municating with the spaces between the ribs, arms en,-

hearlng slots and with sp'nced longitudinal slots muvabiy engaging said spaced pins and liver-lapping the free ends of said cylinder arms, means for adjusiahiy coupling the over-lapping ends of said several arms, a roller having juurnnls engaging the-hearing slots of'said slotted arms,

Witnesses frames having 'dppositely dlsposed hearing siois at one end and spacedlhterai pin's at the other'ends,-n cvlinderh;av

[n a typevvriting muchine,-a 'carriuge, including end spaced from said cylinder and provided \vitlrend journal s,

ends ot'said several arms, a roller having journals engaging the Journals of said cylinder-,arms ha7lng transverse v and an endless 'bcit extending over the roller and cylinder. 

